.content {
    height: 600px;
    margin: 20px auto;
    display: flex;
  }
  
  .content > .left {
    width: 500px;
    border: 1px solid #333;
    box-sizing: border-box;
  }
  
  .content > .left > .show {
    width: 100%;
    height: 500px;
    border-bottom: 1px solid #333;
  }
  
  .content > .right {
    flex: 1;
    margin-left: 15px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    box-sizing: border-box;
    padding: 10px;
  }
  
  .content > .right > .title {
    font-size: 30px;
    font-weight: 700;
  }
  
  .content > .right > .price {
    color: red;
    font-size: 50px;
  }
  
  .content > .right > button {
    padding: 5px;
  }
  
  .content > .right > .size {
    display: flex;
  }
  
  .content > .right > .size > span {
    border: 1px solid #333;
    border-right: none;
    cursor: pointer;
    background-color: #fff;
    padding: 5px 10px;
  }
  
  .content > .right > .size > span:first-child {
    border-radius: 5px 0 0 5px;
  }
  
  .content > .right > .size > span:last-child {
    border-right: 1px solid #333;
    border-radius: 0 5px 5px 0;
  }
  